noun: the object of a chubby chaser's affection. Never refer to another person as a "chunky monkey" unless-
A. you know the person very well, so much so that said person would not be offended by being called one, or-
B. you can run very fast and will never see the person again.

A. come on over later, my little chunky monkey!
B. baby, you are a chunky monkey. leave some food for the rest of the world!